1. Density Lab Equipment, Procedures & Safety Density Lab Equipment, Procedures & Safety

2. Equipment Beaker Test Tubes in Test Tube Rack Dropper Some of these items are made of glass so please be very careful!

3. Procedures Stay in your seat. Follow the directions given by the teacher. Handle the equipment with care. Record all necessary data. Don’t get too noisy.

4. Safety Do not touch the water. Do not get any equipment close to your face. Keep everything on the table. Handle things carefully. ALWAYS DO NOT PICK UP GLASS.If something does break, ALWAYS tell a teacher. DO NOT PICK UP GLASS.

5. Density Videos http://teachertube.com/viewVideo.php?video _id=130336 http://teachertube.com/viewVideo.php?video _id=130336 http://teachertube.com/viewVideo.php?video _id=206801&title=Layering_Hot_and_Cold_Li quids&vpkey=b31483ad8b&album_id= http://teachertube.com/viewVideo.php?video _id=206801&title=Layering_Hot_and_Cold_Li quids&vpkey=b31483ad8b&album_id

6. Data Sheet Name:___________________________________ Date:___________________ Predict in which order all four colors will layer correctly from bottom to top. 1. 2. 3. 4. Use this space to record your findings/trials When you have made a 4-layer stack, color in the test tube below with the correct colors. Was your prediction correct?

7. Questions Questions: 1. Which liquid always layered at the bottom of the test tube? 2. Why do you think this liquid layered below the other liquids? 3. Which liquid has the lowest density? 4. Where would you expect to find the liquid with the lowest density? 5. Tell me 2 things you learned from this activity.